/* ===================================
   CSS Variables & Design Tokens - LIGHT THEME
   =================================== */
:root {
    /* Colors */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --success-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);

    --bg-dark: #ffffff;
    --bg-card: #f8f9fa;
    --bg-light: #e9ecef;
    --text-primary: #212529;
    --text-secondary: #495057;
    --text-muted: #6c757d;
    --border-color: rgba(0, 0, 0, 0.1);

    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-base: 16px;
    --font-size-small: 14px;
    --font-size-large: 18px;
    --font-size-h1: 48px;
    --font-size-h2: 36px;
    --font-size-h3: 24px;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --shadow-glow: 0 0 20px rgba(102, 126, 234, 0.2);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* ===================================
   Reset & Base Styles
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-dark);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    transition: var(--transition-fast);
}

/* ===================================
   Header & Navigation
   =================================== */
.header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.logo {
    flex-shrink: 0;
}

.logo a {
    font-size: 24px;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Header Phone */
.header-phone {
    flex-shrink: 0;
}

.header-phone a {
    font-weight: 600;
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    white-space: nowrap;
}

.header-phone a:hover {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
}

/* Desktop Navigation */
.nav-desktop {
    display: none;
    flex: 1;
    justify-content: center;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-item {
    position: relative;
    display: flex;
    align-items: center;
}

.nav-item>a {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    font-weight: 500;
    white-space: nowrap;
}

.nav-item>a:hover {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
}

/* Active menu item */
.nav-item.active>a {
    background: rgba(102, 126, 234, 0.15);
    color: #667eea;
    font-weight: 600;
}

/* Submenu Level 2 */
.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    min-width: 220px;
    padding: var(--spacing-xs);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
    margin-top: var(--spacing-xs);
}

.nav-item.has-submenu:hover>.submenu,
.nav-item.has-submenu:focus-within>.submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.submenu li {
    position: relative;
}

.submenu a {
    padding: var(--spacing-xs) var(--spacing-sm);
    display: block;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.submenu a:hover {
    background: rgba(102, 126, 234, 0.15);
    color: #667eea;
    transform: translateX(4px);
}

/* Submenu Level 3 */
.submenu-level-3 {
    position: absolute;
    top: 0;
    left: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    min-width: 200px;
    padding: var(--spacing-xs);
    opacity: 0;
    visibility: hidden;
    transform: translateX(-10px);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
    margin-left: var(--spacing-xs);
}

.submenu .has-submenu:hover>.submenu-level-3,
.submenu .has-submenu:focus-within>.submenu-level-3 {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* Mobile Menu */
.burger-menu {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-xs);
    z-index: 1001;
}

.burger-menu span {
    width: 28px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-normal);
}

.burger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.burger-menu.active span:nth-child(2) {
    opacity: 0;
}

.burger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.nav-mobile {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.nav-mobile.active {
    max-height: calc(100vh - 70px);
    overflow-y: auto;
}

/* Custom scrollbar for mobile menu */
.nav-mobile::-webkit-scrollbar {
    width: 6px;
}

.nav-mobile::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
}

.nav-mobile::-webkit-scrollbar-thumb {
    background: rgba(102, 126, 234, 0.5);
    border-radius: 3px;
}

.nav-mobile::-webkit-scrollbar-thumb:hover {
    background: rgba(102, 126, 234, 0.7);
}

.mobile-menu {
    padding: var(--spacing-md);
}

.mobile-menu li {
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.mobile-menu li.has-submenu>a::after {
    content: '›';
    position: absolute;
    right: var(--spacing-sm);
    font-size: 24px;
    transition: var(--transition-fast);
}

.mobile-menu li.has-submenu.active>a::after {
    transform: rotate(90deg);
}

.mobile-menu a {
    display: block;
    padding: var(--spacing-sm);
    padding-right: 40px;
    font-size: var(--font-size-large);
    transition: var(--transition-fast);
}

.mobile-menu a:hover {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    padding-left: var(--spacing-md);
}

/* Active mobile menu item */
.mobile-menu li.active>a {
    background: rgba(102, 126, 234, 0.15);
    color: #667eea;
    font-weight: 600;
}

.mobile-menu .submenu-mobile {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
    background: rgba(0, 0, 0, 0.05);
}

.mobile-menu li.has-submenu.active>.submenu-mobile {
    max-height: 1000px;
}

.mobile-menu .submenu-mobile a {
    padding-left: var(--spacing-lg);
    font-size: var(--font-size-base);
}

.mobile-menu .submenu-mobile .submenu-mobile a {
    padding-left: calc(var(--spacing-lg) + var(--spacing-md));
    font-size: var(--font-size-small);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
    text-align: center;
}

.hero h1 {
    font-size: var(--font-size-h1);
    margin-bottom: var(--spacing-md);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-description {
    font-size: var(--font-size-large);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
}

/* Services Slider */
.services-slider {
    position: relative;
    margin: var(--spacing-xl) 0;
    padding: 0 60px;
}

.slider-wrapper {
    display: flex;
    gap: var(--spacing-md);
    overflow: hidden;
}

.service-slide {
    min-width: calc(33.333% - 16px);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
    opacity: 0.6;
    transform: scale(0.95);
}

.service-slide.active {
    opacity: 1;
    transform: scale(1);
    box-shadow: var(--shadow-glow);
}

.service-slide:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.service-image {
    width: 100%;
    height: 200px;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.service-slide h3 {
    font-size: var(--font-size-h3);
    margin-bottom: var(--spacing-xs);
}

.service-slide p {
    color: var(--text-secondary);
}

.slider-btn {
    position: absolute;
    top: 40%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    border-radius: 50%;
    font-size: 24px;
    line-height: 50px;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    z-index: 10;
    padding: 0;
    text-align: center;
}

.slider-btn:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--shadow-glow);
}

.slider-btn.prev {
    left: 0;
}

.slider-btn.next {
    right: 0;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.slider-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: var(--transition-fast);
}

.slider-dots .dot.active {
    background: var(--primary-gradient);
    width: 32px;
    border-radius: 6px;
}

/* CTA Button */
.cta-button {
    background: var(--primary-gradient);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-large);
    font-weight: 600;
    box-shadow: var(--shadow-md);
    margin-top: var(--spacing-md);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.cta-button.large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 20px;
}

/* ===================================
   Price List Section
   =================================== */
.prices {
    padding: var(--spacing-xxl) 0;
    background: var(--bg-light);
}

.prices h2 {
    font-size: var(--font-size-h2);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-tables {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.price-category {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: var(--transition-normal);
}

.price-category:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(102, 126, 234, 0.3);
}

.price-category h3 {
    font-size: var(--font-size-h3);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid;
    border-image: var(--primary-gradient) 1;
}

.price-category ul li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
    gap: var(--spacing-sm);
}

.price-category ul li:last-child {
    border-bottom: none;
}

.price-category ul li span:first-child {
    color: var(--text-secondary);
    flex: 1;
}

.price-category .price {
    font-weight: 700;
    color: #43e97b;
    white-space: nowrap;
}

/* ===================================
   Brands Section
   =================================== */
.brands {
    padding: var(--spacing-xxl) 0;
    background: var(--bg-dark);
}

.brands h2 {
    font-size: var(--font-size-h2);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-tags {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.brand-tag {
    position: relative;
}

.tag-main {
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.tag-main:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-glow);
}

.tag-subtags {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all var(--transition-slow);
}

.brand-tag.active .tag-subtags {
    max-height: 500px;
    opacity: 1;
}

.tag-subtags a {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    text-align: center;
    font-size: var(--font-size-small);
    transition: var(--transition-fast);
}

.tag-subtags a:hover {
    background: rgba(102, 126, 234, 0.15);
    border-color: #667eea;
    transform: scale(1.05);
}

/* ===================================
   Testimonials Section
   =================================== */
.testimonials {
    padding: var(--spacing-xxl) 0;
    background: var(--bg-light);
}

.testimonials h2 {
    font-size: var(--font-size-h2);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    background: var(--success-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.testimonials-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 60px;
}

.testimonial-wrapper {
    position: relative;
    min-height: 250px;
}

.testimonial {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateX(50px);
    transition: all var(--transition-slow);
}

.testimonial.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
    position: relative;
}

.testimonial-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.testimonial-content p {
    font-size: var(--font-size-large);
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.testimonial-author strong {
    color: var(--text-primary);
    font-size: var(--font-size-large);
}

.testimonial-author span {
    color: var(--text-muted);
    font-size: var(--font-size-small);
}

.testimonial-btn {
    position: absolute;
    top: 40%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: var(--secondary-gradient);
    border-radius: 50%;
    font-size: 24px;
    line-height: 50px;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    padding: 0;
    text-align: center;
}

.testimonial-btn:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--shadow-glow);
}

.testimonial-btn.prev {
    left: 0;
}

.testimonial-btn.next {
    right: 0;
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.testimonial-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: var(--transition-fast);
}

.testimonial-dots .dot.active {
    background: var(--secondary-gradient);
    width: 32px;
    border-radius: 6px;
}

/* ===================================
   Advantages Section
   =================================== */
.advantages {
    padding: var(--spacing-xxl) 0;
    background: var(--bg-dark);
}

.advantages h2 {
    font-size: var(--font-size-h2);
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.advantage-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition-normal);
}

.advantage-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    margin: 0 auto var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.advantage-item h3 {
    font-size: var(--font-size-h3);
    margin-bottom: var(--spacing-sm);
}

.advantage-item p {
    color: var(--text-secondary);
}

/* ===================================
   CTA Section
   =================================== */
.cta-section {
    padding: var(--spacing-xxl) 0;
    background: var(--primary-gradient);
    text-align: center;
}

.cta-content h2 {
    font-size: var(--font-size-h2);
    color: white;
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: var(--font-size-large);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-content .cta-button {
    background: white;
    color: #667eea;
}

.cta-content .cta-button:hover {
    background: rgba(255, 255, 255, 0.95);
}

/* ===================================
   Contact Form Section
   =================================== */
.contact-form {
    padding: var(--spacing-xxl) 0;
    background: var(--bg-light);
}

.contact-form h2 {
    font-size: var(--font-size-h2);
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.form-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.feedback-form {
    max-width: 700px;
    margin: 0 auto;
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    font-family: inherit;
    background: var(--bg-dark);
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group.checkbox {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-sm);
}

.form-group.checkbox input {
    width: auto;
}

.submit-button {
    width: 100%;
    background: var(--primary-gradient);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-large);
    font-weight: 600;
    box-shadow: var(--shadow-md);
    margin-top: var(--spacing-md);
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* ===================================
   SEO Text Section
   =================================== */
.seo-text {
    padding: var(--spacing-xxl) 0;
    background: var(--bg-dark);
}

.seo-text h2 {
    font-size: var(--font-size-h2);
    margin-bottom: var(--spacing-lg);
}

.seo-text h3 {
    font-size: var(--font-size-h3);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.seo-text p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
    color: var(--text-secondary);
}

.seo-text ul,
.seo-text ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.seo-text ul {
    list-style: disc;
}

.seo-text ol {
    list-style: decimal;
}

.seo-text li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.8;
    color: var(--text-secondary);
}

.seo-text blockquote {
    background: var(--bg-card);
    border-left: 4px solid #667eea;
    padding: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    border-radius: var(--radius-sm);
}

.seo-text blockquote p {
    margin: 0;
    font-style: italic;
}

.seo-text strong {
    color: var(--text-primary);
    font-weight: 600;
}

.seo-text em {
    color: #667eea;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--bg-card);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-column h4 {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-large);
}

.footer-column p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-column a {
    color: var(--text-secondary);
}

.footer-column a:hover {
    color: #667eea;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* ===================================
   Modal
   =================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: none;
}

.modal.active {
    display: block;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    font-size: 32px;
    color: var(--text-muted);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.modal-close:hover {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
}

.modal-content h3 {
    font-size: var(--font-size-h3);
    margin-bottom: var(--spacing-sm);
}

.modal-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.modal-form .form-group {
    margin-bottom: var(--spacing-md);
}

/* ===================================
   Responsive Design
   =================================== */
@media (min-width: 1024px) {
    .nav-desktop {
        display: flex;
    }

    .burger-menu {
        display: none;
    }

    .nav-mobile {
        display: none;
    }

    .service-slide {
        min-width: calc(33.333% - 16px);
    }
}

@media (max-width: 1023px) and (min-width: 768px) {
    .service-slide {
        min-width: calc(50% - 12px);
    }

    .hero h1 {
        font-size: 36px;
    }

    .prices h2,
    .brands h2,
    .testimonials h2,
    .advantages h2 {
        font-size: 32px;
    }
}

@media (max-width: 767px) {
    .service-slide {
        min-width: 100%;
    }

    .services-slider {
        padding: 0 50px;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero-description {
        font-size: var(--font-size-base);
    }

    .prices h2,
    .brands h2,
    .testimonials h2,
    .advantages h2 {
        font-size: 28px;
    }

    .price-tables {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .slider-btn,
    .testimonial-btn {
        width: 40px;
        height: 40px;
        font-size: 20px;
        line-height: 40px;
    }

    .header-phone a {
        font-size: var(--font-size-base);
        padding: var(--spacing-xs);
    }
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Scroll animations */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}